The treatment branches assimilated an average of 35% (SE¼2.4) of the internally-transported 13CO2 label (Fig. 1). Of this total, over half was assimilated in the branch cortex and xylem, even though woody tissue composed just 25% of the total branch ... california, canada, connecticut, germany, nebraska, new jersey, ontario, united states

The first harvest yielded on average 22% more harvestable biomass in the future ... rotation harvestable biomass yield was 18% higher under elevated [CO2] (F = 4.58, P, 0 ... 11, 12]. Following the first harvest, priming ceased and in subsequent years soil carbon built up

Permanent cropland is land cultivated with crops that occupy the land for long periods and need not be replanted after each harvest, such as cocoa, coffee, and rubber. This category includes land under flowering shrubs, fruit trees, nut trees ...Germany

Table 4: Land in Farms and HarvestedCropland, 1997 and 2002 Farmland area (Acres) Change in farmland Percent Land in Farms Minnesota Virginia United States HarvestedCropland Minnesota Virginia United States Source: USDA/NASS (var vols ) ... Similar to the situation in Germany, the United States is undergoing significant changes with respect to its farm structure Based on the 2002 Census of Agriculture (NASS, 2002), there were approximately 2 13 million farm operations

has the highest priority. If necessary, small amounts of biomass could be harvested from extensive grassland areas to produce limited amounts of bioenergy [6]. At the same time ... of large quantities of residues from cropland has to be consistent with research based ... through projects managed by the Agency of Renewable Resources (FNR). The crops are harvested

In contrast to the results of outdoor experiments, the main metabolite in model experiments with excised apple sprouts and most cell suspension cultures was 3-(3-amino-1, 2, 4-triazol-l-yl)-2- aminopropionic acid (aminotriazolylalanine), but only small amounts ... Table 4. Nature of residues in harvested apples following application of [3 ... weight of harvested fruit Table 5. Radioactivity balance at harvest (14/10/1986

increase in nitrogen fertilization, a 1.7-fold increase in the amount of irrigated cropland, and a 1.1-fold increase in land in cultivation, and has resulted in a global ... increase in the amount of pesticides used worldwide (Fig. 5). Much of the increases ... Strobilurins Fungicide treatment of stems, leaves, ears; azoles Growth regulators, N fertilization Soil preparation, early sowing, harvest technique Plant breeding (extended growth period, resistance)

The tree was harvested during the dormant season (4 March 2002). Two discs were taken from the stem, one immediately below the 13CO2-fed branch (Disc ... ∞ fans immediately under the branch base was used for Disc 0 m and the whole tree ...germany